
    const Counter = {
    data() {
        return {
            obj: {
                name: 'name'
            },
            counter: "aa",
            message: "",
            studentslist: [{name: "张三", sno: 1, index: 0}, 
            {name: "李四", sno: 2, index: 1},
            {name: "王五", sno: 3, index: 2},
            {name: "赵六", sno: 4, index: 3}
            ]
            }
        }
    }

    Vue.createApp(Counter).mount('#counter')